I think my favorite thing about Mother's Day is how many hits I get on my Mother's Day card posts like this one from people using benign and non-snarky search terms like "mother's day card from daughter."
And don't forget this one, which doesn't come up in Mother's Day searches but I think would make a fantastic card cover if you want to express your own sentiments inside:
Feel free to print your own. If someone asks where you got it, I simply ask that you credit "some bitch on the internet." Happy Mother's Day, Everybody!